Which allowed scientists to determine that Earth was at least 4.3 billion years old? A. magnetic field surrounding zircon

B. the radioactive decay of uranium to lead

C. the electrical conductivity of uranium ions

D. chemical reactivity of zircon ions

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Does heating a metal wire increase or decrease its electrical resistance? why?